Resolving dependencies... cabal: Could not resolve dependencies: next goal: haskell-player (user goal) rejecting: haskell-player-0.1.3.3, haskell-player-0.1.3.2, haskell-player-0.1.3.1 (constraint from user target requires ==0.1.3.0) trying: haskell-player-0.1.3.0 trying: primitive-0.6.2.0 (dependency of conduit-extra-1.1.15) next goal: vector (dependency of haskell-player-0.1.3.0) rejecting: vector-0.11.0.0 (conflict: primitive==0.6.2.0, vector => primitive>=0.5.0.1 && <0.6.2) rejecting: vector-0.10.12.3, vector-0.10.12.2, vector-0.10.12.1, vector-0.10.11.0, vector-0.10.10.0, vector-0.10.9.2, vector-0.10.9.1, vector-0.10.9.0, vector-0.10.0.1, vector-0.10, vector-0.9.1, vector-0.9, vector-0.8, vector-0.7.1, vector-0.7.0.1, vector-0.7, vector-0.6.0.2, vector-0.6.0.1, vector-0.6, vector-0.5, vector-0.4.2, vector-0.4.1, vector-0.4, vector-0.3.1, vector-0.3, vector-0.2, vector-0.1, vector-0.10.12.0, vector-0.10.9.3 (conflict: haskell-player => vector>=0.11 && <0.12) Dependency tree exhaustively searched.